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SYSTEM AND METHOD FOR DETECTING MALICIOUS CODE OF PDF DOCUMENT TYPE

  • US 20130160127A1
  • Filed: 10/22/2012
  • Published: 06/20/2013
  • Est. Priority Date: 12/14/2011
  • Status: Abandoned Application
First Claim
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1. A PDF document type malicious code detection system, comprising:

  • an object extraction module configured to find and extract a plurality of object information contained within a collected PDF document;

    a script merge module configured to merge each first JavaScript information from the plurality of extracted object information to generate second JavaScript information;

    an obfuscation release module configured to decrypt/decode the obfuscated/encoded second JavaScript information to generate third JavaScript information when the generated second JavaScript information is obfuscated/encoded;

    a script static module configured to parse the generated third JavaScript information to extract function/pattern information suspected as a malicious code;

    a script dynamic module to execute fourth JavaScript information containing the function and pattern information to generate behavior information according to a malicious behavior; and

    a malicious code extraction module configured to extract malicious code information from the behavior information when it is confirmed that a malicious code has been generated.

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